<?php

class m130918_045037_add_column_step_table_campaign extends CDbMigration
{
	public function up(){
		$this->addColumn('ham_campaign','step','INT( 1 ) NOT NULL DEFAULT "0"');
		return true;
	}

	public function down()
	{
		$this->dropColumn('ham_campaign','step');
		return true;
	}

	/*
	// Use safeUp/safeDown to do migration with transaction
	public function safeUp()
	{
	}

	public function safeDown()
	{
	}
	*/
}